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A B C D E



J4 SYNTHESIZER UNIT (X14-689X-XX)
IC1 :
IC2 : TDA7407D 1 5 9
1 IC4 : TDA7386
GND
IC6 : TDA7479D 2 6 10
IC7 : TDA3682ST




P.CONT OUT
CH-IN 13
IC8 : HD74HC27FP 5V IC8




ANT.CONT
IC9 : HA12221F 3 7 11 0V




BATT
14




ACC
IC10 : LB1930M +B 1 VDD
13
IC11 : S-80835CNNB 4 8 12 2
IC12 : BR24C01AF




BLU/WHT
3 12
Q1,301 : DTC124EUA or
11




RED




YEL
BLK
UN5212 4




REQ H

CON




Lch
Rch
MUTE

S GND




REQ C
B.U.




RST




CLK
DATA H
R409 4.7K DATA C
Q10,11,20,101,201 10
: 2SC4081 or 5
8 6 4 2 9
2SD1819A A-PART A 5V
0V 6




R405 4.7K

R406 4.7K




R407 4.7K




R408 4.7K




R415 100K
R404 100




R410 100

R411 100




C404 0.01
Q40 : DTA124EUA or




R403 4.7
7 5 3 1




R402 10




R401 10
UN5112 0V 7 8
GND
Q50 : 2SA1036K
Q151 : DTA114YUA or
8 6 4 2
UN5114




C403 100u10

C402 1u50




C401 1u50
2 Q223,224 : DTC143TUA or B-PART B MUTE
7 5 3 1 DRIVE
UN5216




+

+




+
Q251 : DTC114YUA or
GRN



WHT




VIOL
WHT/BLK




VIOL/BLK
GRN/BLK




GRY
GRY/BLK
UN5214 D404




+B
Q501 : 2SD1760
Q551 : 2SB1443 D407
Q552 : DTC114EUA or
UN5211 D401

FRONT. R



REAR. R
FRONT. L
REAR. L




7
D1 : 1N5393G-M6 or D402
5
S2V20 A
D403
D2,3 : 1GWJ43 (TPB5) 6
D4,551 : AM01Z or D409 R413 100K
ERA15-01
D10,11,401,402 DC1 D410 R414 100K
: MA4068 (N) -M (E30-4792-05)
D20 : MA4051 (N) -M D411 R412 100K
D30 : MA4047-M or PREOUT
MUTE DRIVER
HZS5B1




42
44




39
63
16




18
17
3 D40,101,251-253
: 1SS133
D102 : B30-1567-05
D153,154,157,159-161,
403,404,407,409-411 +B
: MA4062-L or
HZS6C1


SIGNAL LINE
GND LINE
+B B LINE
SUB MOTOR
DRIVER
M
(X14-689X-XX) A
IC10
UNIT
MODEL NAME
No. B C A1 C308 IC1 R111 R112 R113 R114 R118 R146 Q301 0V 6 5 0V
PGND SGND
KRC-394Y (E) 7.6V 7 4 5.0V
KRC-37Y (E) 7 OUT2 IN2 58
4 C533 3 5.0V
0.22
KRC-394 (E) 8 IN1 59
2-70 YES X86-3512-70 YES UPD780058GC418 YES NO YES NO YES YES YES NC 2
KRC-37 (E) 7.6V 9 NC
KRC-36 (E) 9 OUT1 1 7.7V
+5V




10 VCC +B
C534
0.22

KRC-391 (E) NC
KRC-4904Y (E) 2-72 NO X86-3512-72 NO UPD780058GC426 NO YES YES NO NO NO NO
KRC-31Y (E) 2-71 NO X86-3512-70 YES UPD780058GC418 NO YES YES NO YES NO YES 77
KRC-366L (M) 0-22 NO X86-3512-70 NO UPD780058GC426 YES NO NO YES NO NO NO +B
R533 470




KRC-466R (M) 0-21 YES X86-3512-70 YES UPD780058GC418 YES NO NO YES YES YES YES R518 R520
330K 5.1K



R522
4.3K
R534 100K




C516 R516




0.1u50
C518
CASSETTE MECHANISM 0.01 12K
(D40-1150-05)
C532 0.01




+
29 3.8V


28 3.8V


26 3.8V
25 3.8V
22u6.3
C514




FWD/REV
+




30




27



24
23
22
21
MODE
PACK




CN1 R536
5 FWD/REV 22K




MS GV (S)
RAI (R)
M-OUT (R)




PB OUT (R)
EQ OUT (R)


D IN (R)
R514




MODE 1
150




R535
470 3.8V 31
PACK




MODE+B 2 +2V NFI (R)
C509 32
R531




SUB(-) 3 9 R IN (R) MS GV (R)
470




1u50 33
SUB(+) 4 7 RIP
+ 34 MA OUT
PACK IN 5 64 F IN (R) 3.8V
0V 35 MSI
F/R 6 57
+B




M2 M1 36 IC9 MS DET
GND 7
SUB MAIN
PLAY EQUALIZER
M M 3.8V 37 AMPLIFIER 5V
HEAD HEAD L 8 F IN (L) 1V VCC
1500P 1500P
C512 C511


R511
15K




HEAD R 10 MUSIC